Son of a Submariner - Kefka’s Famous Line in Detail

Legends of Localization: "One of these days/years I hope to take a detailed look at Final Fantasy III/VI with a full-blown analysis project, but until then I might take tiny peeks at specific parts once in a while. Today I had the sudden urge to look into the famous “son of a submariner” line that Kefka shouts early on in the game – so let’s check it out!"
(Final Fantasy VI, Retro)